Please let other know that this seems to be a design flaw on these refrigerators because so many others have had the same problem. The fact that you can't replace the fuse and need to replace the entire mother board seems like a scam to make more money rather than making it a simple and inexpensive fix.
SOURCE: LG LFC23760SW stopped working-no power. Power
Unplug the unit and remove the board cover. The fuses are soldered in but can be changed with a soldering iron. They are glass and easily spotted on the board.
SOURCE: LG Frig LFC23760ST 3 Door French Refrigerator : No power!
Little late, but the same thing happened to me. With a continuity tester you should be able to check to see if the fuse is good/bad, but make sure there is no power going to the board. Mine went bad but since the fuses are integral to the board, the entire board was bad. $20 later after a visit to RadioShak, I was able to remove the fuse, and install a fuse holder in its place. Never soldered on a printed circuit board before, but thought it worth a shot since the board is $200! I say try and trouble shoot it yourself. It worked out well for me.
SOURCE: the fuse in my LG refrigerator burned out and i
Radio Shak had it. I just did the same thing with mine and figured id try and give it a go myself. Turned out, $20 at Radioshak for a solder gun, fuse holder, new fuse and an hour of my time was worth it.
The difference between a "Fast acting" and "Slow burn" (also known as Time-Delay fuse) is one is for a resistive load, and the other an inductive load. Resistive loads are like lights and circuit boards, where the amperage is relatively constant. Inductive loads (time-delay) are motors, things that require a large in-rush current to get moving like the compressor on your fridge. Hope this helps.
SOURCE: Refrigerator is getting no power compressor does
If it feels like the whole thing is dead in the water, then it is probably your fuse in the back. always include the year and the make of your unit. then people can help more. fuses on modern refrigs are mounted on the circuit board in the back and have to be soldered off and on.
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